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The great diversity of insect species on earth can be attributed, in large part, to the process of insects co-evolving with plant species. Co-evolution is a change in the genetic composition of one...
In this activity, students will use fossil range charts to help them understand the concept of relative dating. An optional teacher-directed activity will help students learn about fossil range...
In this lesson, students will look carefully at flowering plants. They will study basic Mendellian heredity in the light of flowering plants and they will learn how seed savers work to save...
Lessons, experiments, and resources for teaching about acid rain in grades 1-6.
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